NPC means non-player computer. NPCs provide services, missions, public pages, puzzles, and targets.

Whois servers list important NPCs and IP addresses. The First Whois is located at 1.2.3.4 and is the usual starting point for new players.

Whois content may change between rounds as the world is updated.

Banks let players create accounts, store money, transfer money, and perform bank-related missions. Bank accounts can be hacked if an attacker has enough information and software.

The Download Center provides basic starter software. It does not retain normal logs.

The Bitcoin Market allows BTC buy, sell, and transfer actions.

Torrent Market provides Torrent-related gameplay for Warez Virus income.

Companies offer missions. Some mission NPCs must be discovered before they send work.

FBI lists high-value wanted targets and bounties.

Safenet monitors hostile activity and may reveal partial or complete information depending on access.

ISP handles personal IP reset services.

NSA is tied to storyline content and high-level objectives.

Riddle NPCs contain puzzle content and riddle software. Solving a riddle can reveal the next target.

Clan servers are shared clan machines with their own hardware, software, logs, and IP.